Crib endboard frame



FIG. 1 is a top perspective view of a crib endboard frame showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof; and,

FIG. 4 is a side elevation view thereof, the opposite side being a mirror image thereof.

The bottom and rear views form no part of the claimed design. The material shown in dotted lines form no part of the claimed design. 

The ornamental design of a crib endboard frame, as shown and described. 